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Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/10/2024, 05:35

General

  • Target

    46184985f3363907be829290d0b874ea_JaffaCakes118.exe

  • Size

    184KB

  • MD5

    46184985f3363907be829290d0b874ea

  • SHA1

    a74d1955c1c0eab531ad48dcf27d64a7f412456f

  • SHA256

    b8e5278bb28c8b24b06d1030a5013b313cfea59b7588848f4cba8bdd1cf4e8d9

  • SHA512

    a8f85c5e3eaf25d43cd90523afa61f052c220488ee5499447814cac3f4276edfe79b9a899769522d89dd6f96fd4e24c4d60c130e6740214659e70d70db45dde2

  • SSDEEP

    3072:/q2DZ3lTBZRtWQSB8feK/fObT/bGi0M16LQGVfBwbMHjRYS3i:bZ3lHzWxBPK/fObT/bGi0MUdVfBwbMHK

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 53 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\46184985f3363907be829290d0b874ea_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\46184985f3363907be829290d0b874ea_JaffaCakes118.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4776
    • C:\Users\Admin\yooewow.exe
      "C:\Users\Admin\yooewow.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:3488

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\yooewow.exe

    Filesize

    184KB

    MD5

    576aba1660bc9fba44eb9f3e0bea04e1

    SHA1

    086ca1518c4bd40b31fc46672039aa842b3c3c97

    SHA256

    d8eae2093186edd4aecc31dbc16769b1b583a038b7a21115edbf28ea474f950b

    SHA512

    cec444f41d7bdb61cf61f63e5574b246b5d428e2d35144c246c0275a9aab9e5fcbdea8b1ecb67e718d54e27171a31aeb17cf2a4310191452098ff2b51aca2649